Many scientists say, Africa and America (N&S) have been one continent, many earth plates defragmented from others respectively.
I strongly believe in that too.
Friends say, they are cluttered pieces from out of space which "landed" in a big "sea" ... well ... .

I wonder, how the earth (and its population) will look like in a 100 years ?

We'll be wearing special silver suits, gliding on skateboards a la "Back to the Future" with hyper-engines without any fuel (poor SHELL and BP) ... ?

I bet, that NASA already had sufficient resources and knowledge to allow "common Space travel & tourism" 15 years ago ... .
(But if many people can't even keep their own backyard clean ... )

So many inventions are kept back, in order not to create either mass-panic or mass-riots due to over exitment of people.

Of course I want to see our mother earth from space, but I haven't got so much money to afford it ... but maybe my grandchildren will just laugh about it, and ask me if I want to spend my weekend on Jupiter ...
coach or biz-class, please ?